英语情景对话 三个人 要简单一点的答:A:Hello,Mary,Jone,how are you M,J:Fine,Thank you A:Tommorrow is my birthday,I will have a birthday party,would you like to take part in?M:yes,i would like to J:I am sorry A,I really want to participate in your birthday party,but I will visit my grandmother tommmorrow...